Yes , I already do that but the same result .. LIKE uses seq scan
-----Original Message-----
From: pgsql-performance-owner@postgresql.org
[mailto:pgsql-performance-owner@postgresql.org] On Behalf Of Christopher
Kings-Lynne
Sent: Wednesday, May 12, 2004 2:48 PM
To: Michael Ryan S. Puncia
Cc: pgsql-performance@postgresql.org
Subject: Re: [PERFORM] Using LIKE expression problem..
> In the query plan ..it uses seq scan rather than index scan .. why ? I
> have index on lastname, firtname.
Have you run VACUUM ANALYZE; on the table recently?
Chris
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